These red bucket hats are super easy to use. Just put them on your head and you're ready to go! They're great for protecting your head and face from the sun when you're out and about. As for the warning about chemicals, make sure to keep this in mind. Don't chew or swallow the hat. When it comes to maintenance, you can gently hand - wash them with mild detergent in cool water. Let them air dry, and they'll be good as new for your next adventure.